CN213964968U - Digital comprehensive training device - Google Patents
Digital comprehensive training device Download PDFInfo
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- CN213964968U CN213964968U CN202022918474.8U CN202022918474U CN213964968U CN 213964968 U CN213964968 U CN 213964968U CN 202022918474 U CN202022918474 U CN 202022918474U CN 213964968 U CN213964968 U CN 213964968U
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Abstract
The utility model discloses a digital comprehensive training device, relating to the technical field of fitness equipment. The digital comprehensive trainer comprises a support, a motor, a winder, a clutch, a reset mechanism and a controller, wherein the motor is fixedly connected with the support, the winder is rotatably arranged on the support, an output shaft of the motor is connected with the winder through a speed reducing mechanism, the clutch is arranged between the speed reducing mechanism and the support, the reset mechanism is connected between the support and the winder, and the controller is connected with the motor. The stay cord of winder when being pulled out and the motor drive winder when backrush all can produce the damping, reach the purpose of tempering, clutch disconnection reduction gears makes its idle running after accomplishing to temper, can rely on canceling release mechanical system to withdraw the stay cord, and canceling release mechanical system need not take the motor rotation, therefore the resistance is less, has reduced canceling release mechanical system's moment of torsion demand.
Description
Technical Field
The utility model relates to the technical field of fitness equipment, concretely relates to digital comprehensive training ware.
Background
Among fitness equipment, dumbbells and pull-up fitness equipment are common strength training equipment. The weight of the dumbbell is the resistance, so the weight of the dumbbell is generally larger, and compared with the dumbbell, the pull-type body builder is small and light. Taking a common rubber tension body builder as an example, the nominal resistance is 50kg, and the self weight is less than 1 kg.
Running machines, elliptical machines and rowing machines are common indoor aerobic training equipment, wherein the rowing machines simulate rowing motions, and the motion mode of a user is reciprocating motion which is the same as that of a tension body builder. The rowing machine can be simply viewed as a combination of a pull-exerciser and a support structure, except that the pull-exerciser here employs wind resistance, water resistance, or magnetic resistance, rather than the conventional elastic damping.
The common resistance sources of the tension body builder are elastic elements such as rubber, springs and the like, and the resistance of the tension body builder is in a linear relation with the deformation of the elastic elements according to Hooke's law, so that the resistance change of the whole action stroke is large and is completely different from the resistance characteristics of dumbbells and rowing machines. Therefore, the elastic damping fitness chest-developer cannot replace a dumbbell and is not suitable for a rowing machine.
ZL201520877550, a magnetic damping pulling force fitness equipment adopts eddy current damping to replace traditional elastic damping, and aims to solve the safety problem of elastic elements. There is no centrifugal resistance as the magnetic damping cannot actively apply force. Magnetic damping utilizes the eddy current effect of a flywheel in a magnetic field, only resistance exists, and power cannot be generated. The magnetic damped pull exercise machine can only generate resistance in the centripetal phase, and therefore, the magnetic damped pull exercise machine cannot equivalently replace dumbbells.
Although the motor is used as a damping body builder at present, when the resetting mechanism resets, the motor used as the damping influences the resetting of the resetting mechanism, so that the resetting resistance is increased.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a digital comprehensive training ware to solve among the prior art magnetic damping pulling force fitness equipment and can only produce the resistance in the stage of entad, the problem that motor damping influences canceling release mechanical system and resets.
In order to achieve the above object, the present invention provides the following technical solutions:
the digital comprehensive trainer comprises a support, a motor, a winder, a clutch, a reset mechanism and a controller, wherein the motor is fixedly connected with the support, the winder is rotatably arranged on the support, an output shaft of the motor is connected with the winder through a speed reducing mechanism, the clutch is arranged between the speed reducing mechanism and the support, the reset mechanism is connected between the support and the winder, and the controller is connected with the motor.
Further, the speed reducing mechanism is a planetary speed reducer and comprises a sun gear, a planet carrier and a gear ring, the sun gear is fixedly connected with a rotor of the motor, the planet gear is arranged on the planet carrier, the planet gear is meshed between the sun gear and the gear ring, the gear ring is fixedly connected with a winder, and the clutch is arranged between the planet carrier and the support.
Furthermore, the winder is rotatably arranged on the outer side of the motor.
Furthermore, the motor is an outer rotor motor, the middle of the motor is provided with a stator shaft, two ends of the stator shaft are fixedly connected with the support, and the clutch is fixed between the stator shaft and the planet carrier.
Further, the motor is a permanent magnet synchronous motor.
Further, the support be the U-shaped, the mounting groove has been seted up to one side of two vertical curb plates of support, the both ends setting of stator axle in the mounting groove and with vertical curb plate fixed connection.
Furthermore, two guide pipes which are horizontally arranged are fixed on the other sides of the two vertical side plates, and a pull rope on the winder passes through the two guide pipes.
Furthermore, the motor is provided with a rotor position sensor, and the rotor position sensor is connected with the controller.
Further, the controller comprises a wireless communication module.
Furthermore, the reset mechanism is a vortex spring, the inner end of the vortex spring is relatively fixed with the support, and the outer end of the vortex spring is connected with the winder.
The utility model has the advantages of as follows:
the utility model discloses utilize the clutch to realize switching between reduction gears' idle running and the two kinds of states of doing work, when reduction gears transmits the transmission of motor for the winder, realize the transmission of one-way moment of torsion between reduction gears and the winder, reduction gears enlarges the back with the moment of torsion of motor and acts on the winder, form the motor damping, the stay cord of winder all can produce the damping when being pulled out and when the motor drives the winder backrush, reach the purpose of tempering, clutch disconnection reduction gears makes its idle running after accomplishing to temper, can rely on canceling release mechanical system to withdraw the stay cord, canceling release mechanical system does not need the motor in area rotatory, therefore the resistance is less, the moment of torsion demand of canceling release mechanical system has been reduced.
This training ware is synthesized in digitization function is various, can set for functional mode, resistance grade through the controller, and the user of being convenient for carries out strength training, also can cooperate the bearing structure of rowing machine to carry out aerobic training. High-precision motion data such as speed, tension, power and the like can be output without an additional sensor, and guarantee is provided for scientific body building of a user. The winder is rotatably arranged on the outer side of the motor, and has compact structure and small appearance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a perspective view of a digital combined training device provided in an embodiment of the present invention;
fig. 2 is a top view of a digital combined training device provided by an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
fig. 4 is an exploded view of a digital combined training device provided by an embodiment of the present invention;
FIG. 5 is an exploded view of the motor;
in the figure: 1-bracket 2-winder 3-pull rope 4-guide cylinder 5-handle 6-controller 7-mounting groove 8-motor 9-sun gear 10-planet gear 11-planet carrier 12-gear ring 13-clutch 14-vortex spring 15-stator shaft 16-stator 17-rotor 18-fixed shell.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Referring to fig. 1-5, the digital comprehensive trainer comprises a support 1, a motor 8, a winder 2, a clutch 13, a reset mechanism and a controller 6, wherein the motor 8 is fixedly connected with the support 1, the winder 2 is rotatably arranged on the support 1, an output shaft of the motor 8 is connected with the winder 2 through a speed reducing mechanism, the clutch 13 is arranged between the speed reducing mechanism and the support 1, the reset mechanism is connected between the support 1 and the winder 2, and the controller 6 is connected with the motor 8. The speed reduction mechanism in this embodiment is a planetary speed reducer that amplifies the torque of the motor 8. The unidirectional torque transmission between the planetary reducer and the reel 2 is controlled by a clutch 13. When the pulling rope 3 of the reel 2 is pulled out, the rope can be retracted by the tension of the return mechanism.
The controller 6 includes a wireless communication module, and can receive a function mode set by a user, and the function mode is divided into an equal-tension mode, a constant-speed mode and a rowing machine mode. The user can experience constant resistance in the isotonic mode, the resistance can be automatically adjusted according to the force application of the user in the constant-speed mode, and the resistance is automatically matched by the mathematical model of the rowing machine according to the pulling speed and the stroke of the user in the rowing machine mode. The controller 6 can calculate high-precision motion data such as speed, tension, power and the like without an additional sensor, and guarantee is provided for scientific body building of a user.
The motor 8 is a permanent magnet synchronous motor. The motor 8 is an outer rotor motor, the middle of the motor 8 is provided with a stator shaft 15, two ends of the stator shaft 15 are fixedly connected with the support 1, the stator 16 is fixed on the stator shaft 15, the rotor 17 is rotatably arranged on the outer side of the stator 16, and the clutch 13 is fixed between the stator shaft 15 and the planet carrier 11. The outer rotor structure has higher torque density, and the volume can be smaller under the same torque, which is beneficial to the miniaturization of the comprehensive trainer. The permanent magnet synchronous motor is provided with a rotor position sensor which is connected with the controller 6, so that the position of the rotor can be directly measured, the control procedure is simplified, and particularly the conditions of zero speed and low speed are met. The commonly used position sensors include a switch type hall sensor, a magnetic encoder, a photoelectric encoder, etc., and if the number of pole pairs of the permanent magnet synchronous motor is 10 and the reduction ratio of the planetary reduction gear is 4.3, and if the switch type hall sensor with the resolution of 60 degrees is used, the winder 2 rotates once, and the sensor outputs 4.3 × 10 × 6 to 258 switching signals, which satisfies the use at a low speed. For the zero-speed condition, the low resolution of the switch type hall sensor can cause the unstable resistance and larger error, and although the magnetic encoder and the photoelectric encoder have high resolution, the structure is relatively complex and the price is higher, so the position sensor needs to be selected according to the actual requirement of the product.
The winder 2 is rotatably arranged outside the motor 8, and has compact structure and small appearance, and the winder 2 is supported on the stator shaft 15 through a bearing in the embodiment. One side of the reel 2 is fixedly connected with a fixed shell 18, and the resetting mechanism is arranged in the fixed shell 18. The return mechanism is preferably a vortex spring 14, the inner end of the vortex spring 14 is fixedly connected with the stator shaft 15, the outer end of the vortex spring 14 is connected with the fixed shell, and the vortex spring 14 drives the winder 2 to rotate and return through the fixed shell. The vortex spring 14 can ensure that the pull rope 3 of the winder 2 can be automatically rewound without external force, and a certain tension is still kept after the rewinding is finished. The pull rope 3 of the winder 2 should be a steel wire rope or a chemical fiber woven belt with large elastic modulus.
The planetary reducer comprises a sun gear 9, a planet gear 10, a planet carrier 11 and a gear ring 12, the sun gear 9 is fixedly connected with a rotor 17 of the motor 8, the planet gear 10 is arranged on the planet carrier 11, the planet gear 10 is meshed between the sun gear 9 and the gear ring 12, the gear ring 12 is fixedly connected with the winder 2, and the clutch 13 is arranged between the planet carrier 11 and the stator shaft 15. The gear ring 12 is fixedly connected with the inner wall of the winder 2, the clutch 13 is connected between the planet carrier 11 and the stator shaft 15, and the clutch 13 controls the unidirectional torque transmission between the planetary reducer and the winder 2 by controlling the unidirectional locking of the planet carrier 11. When the pull rope 3 of the reel 2 is pulled out and the motor 8 drives the reel 2 to rewind, the planet carrier 11 is in a dead lock state, and the torque of the motor 8 can be directly transmitted to the reel 2. When the reset mechanism drives the winder 2 to rewind, the planet carrier 11 is in a free rotation state and can not drive the motor 8 to rotate, so that the resistance is smaller, and the torque requirement of the reset mechanism is reduced. The application of the planetary reducer can enable the permanent magnet synchronous motor to work in a high-rotating-speed and low-torque state, and is beneficial to reducing the size and the weight of the motor 8 and reducing the cost.
The utility model discloses utilize clutch 13 to realize switching between reduction gears's idle running and the two kinds of states of doing work, when reduction gears transmits motor 8's transmission for winder 2, realize the one-way moment of torsion transmission between reduction gears and winder 2, reduction gears enlarges the back with motor 8's moment of torsion and is used in winder 2, form motor 8 damping, stay cord 3 of winder 2 is when being pulled out and motor 8 drives winder 2 and all can produce the damping when backrolling, reach the purpose of tempering, clutch 13 disconnection reduction gears makes its idle running after accomplishing to temper, can rely on canceling release mechanical system to withdraw stay cord 3, it is rotatory that canceling release mechanical system does not need motor 8 in area, therefore the resistance is less, the moment of torsion demand of canceling release mechanical system has been reduced.
This training ware is synthesized in digitization function is various, can set for functional mode, resistance grade through controller 6, and the user of being convenient for carries out the strength training, also can cooperate the bearing structure of rowing machine to carry out aerobic training. High-precision motion data such as speed, tension, power and the like can be output without an additional sensor, and guarantee is provided for scientific body building of a user.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A digital comprehensive trainer is characterized in that: the digital comprehensive trainer comprises a support (1), a motor (8), a winder (2), a clutch (13), a reset mechanism and a controller (6), the motor (8) is fixedly connected with the support (1), the winder (2) is rotatably arranged on the support (1), an output shaft of the motor (8) is connected with the winder (2) through a speed reducing mechanism, the clutch (13) is arranged between the speed reducing mechanism and the support (1), the reset mechanism is connected between the support (1) and the winder (2), and the controller (6) is connected with the motor (8).
2. The digitized integrated trainer as claimed in claim 1, wherein: the speed reducing mechanism is a planetary speed reducer and comprises a sun gear (9), a planet gear (10), a planet carrier (11) and a gear ring (12), wherein the sun gear (9) is fixedly connected with a rotor (17) of a motor (8), the planet gear (10) is arranged on the planet carrier (11), the planet gear (10) is meshed between the sun gear (9) and the gear ring (12), the gear ring (12) is fixedly connected with a winder (2), and a clutch (13) is arranged between the planet carrier (11) and a support (1).
3. The digitized integrated trainer as claimed in claim 1, wherein: the winder (2) is rotatably arranged on the outer side of the motor (8).
4. The digital integrated trainer as claimed in claim 1 or 3, wherein: the motor (8) is an outer rotor motor, the middle of the motor (8) is provided with a stator shaft (15), two ends of the stator shaft (15) are fixedly connected with the support (1), and the clutch (13) is fixed between the stator shaft (15) and the planet carrier (11).
5. The digitized integrated trainer as claimed in claim 4, wherein: the motor (8) is a permanent magnet synchronous motor.
6. The digitized integrated trainer as claimed in claim 4, wherein: support (1) be the U-shaped, mounting groove (7) have been seted up to one side of two vertical curb plates of support (1), the both ends setting of stator shaft (15) in mounting groove (7) and with vertical curb plate fixed connection.
7. The digitized integrated trainer as claimed in claim 6, wherein: two guide pipes which are horizontally arranged are fixed on the other sides of the two vertical side plates, and a pull rope (3) on the winder (2) passes through the two guide pipes.
8. The digitized integrated trainer as claimed in claim 1, wherein: and the motor (8) is provided with a rotor position sensor which is connected with the controller (6).
9. The digitized integrated trainer as claimed in claim 8, wherein: the controller (6) comprises a wireless communication module.
10. The digitized integrated trainer as claimed in claim 1, wherein: the resetting mechanism is a vortex spring (14), the inner end of the vortex spring (14) is fixed relative to the support (1), and the outer end of the vortex spring (14) is connected with the winder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022918474.8U CN213964968U (en) | 2020-12-08 | 2020-12-08 | Digital comprehensive training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022918474.8U CN213964968U (en) | 2020-12-08 | 2020-12-08 | Digital comprehensive training device |
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| CN213964968U true CN213964968U (en) | 2021-08-17 |
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| CN202022918474.8U Active CN213964968U (en) | 2020-12-08 | 2020-12-08 | Digital comprehensive training device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191771A (en) * | 2021-11-23 | 2022-03-18 | 深圳奈九科技有限公司 | Exercise equipment and portable electrodynamic fitness equipment |
| CN114344870A (en) * | 2022-01-10 | 2022-04-15 | 东莞市本末科技有限公司 | Integrated pull rope motor structure and intelligent device |
| CN115154983A (en) * | 2022-07-26 | 2022-10-11 | 青岛恒之康健康科技有限公司 | Electromagnetic counterweight resistance training device |
| TWI789277B (en) * | 2022-03-22 | 2023-01-01 | 祺驊股份有限公司 | Permanent magnet resistance simulation device |
| KR20230145881A (en) * | 2022-04-11 | 2023-10-18 | 인하대학교 산학협력단 | Motor power generation energy harvesting device using One-way clutch |
| CN117101079A (en) * | 2023-10-24 | 2023-11-24 | 舒华体育股份有限公司 | Motor-driven resistance training device and stall control method thereof |
-
2020
- 2020-12-08 CN CN202022918474.8U patent/CN213964968U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191771A (en) * | 2021-11-23 | 2022-03-18 | 深圳奈九科技有限公司 | Exercise equipment and portable electrodynamic fitness equipment |
| CN114344870A (en) * | 2022-01-10 | 2022-04-15 | 东莞市本末科技有限公司 | Integrated pull rope motor structure and intelligent device |
| TWI789277B (en) * | 2022-03-22 | 2023-01-01 | 祺驊股份有限公司 | Permanent magnet resistance simulation device |
| KR20230145881A (en) * | 2022-04-11 | 2023-10-18 | 인하대학교 산학협력단 | Motor power generation energy harvesting device using One-way clutch |
| KR102702280B1 (en) * | 2022-04-11 | 2024-09-04 | 인하대학교 산학협력단 | Motor power generation energy harvesting device using One-way clutch |
| CN115154983A (en) * | 2022-07-26 | 2022-10-11 | 青岛恒之康健康科技有限公司 | Electromagnetic counterweight resistance training device |
| CN117101079A (en) * | 2023-10-24 | 2023-11-24 | 舒华体育股份有限公司 | Motor-driven resistance training device and stall control method thereof |
| CN117101079B (en) * | 2023-10-24 | 2023-12-22 | 舒华体育股份有限公司 | Motor-driven resistance training device and stall control method thereof |
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